Electromagnetic Induction · Class 12 · CBSE · Science Physics
Two coils, 1 and 2, have a mutual inductance M = 1.5text{ H}. If the current in coil 1 changes from 0 to 20 A in 0.5 s, what is the magnitude of the…
Practice question from Electromagnetic Induction (Class 12 · CBSE · Science Physics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-32190A
Two coils, 1 and 2, have a mutual inductance . If the current in coil 1 changes from 0 to 20 A in 0.5 s, what is the magnitude of the induced emf in coil 2?
- A.30 V
- B.60 VCorrect answer
- C.15 V
- D.45 V
Solution
The magnitude of the induced emf in the secondary coil is given by .
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